/*
Copyright 2007 Raymond Giorgi

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
 */

package edu.pitt.CS2510;

/**
 * 
 * @author NoOne
 * 
 *         When a node wants backup, it uses this data structure to
 *         compartmentalize everything
 */
public class Request {
	private final int from;
	private int no;

	/**
	 * 
	 * @param from
	 * @param no
	 */
	public Request(int from, int no) {
		this.from = from;
		this.no = no;
	}

	/**
	 * 
	 * @return the requesting node's id
	 */
	public int getFrom() {
		return from;
	}

	/**
	 * 
	 * @return the amount of backup a node is requesting
	 */
	public int getNo() {
		return no;
	}

	/**
	 * Decrement the number of nodes requested by one Call this function every
	 * time a node has been provided.
	 */
	public void decrement() {
		no--;
	}
}
